Home / 171,457.17-257,091.79-53,095.65

Finding the Fourth Proportional to 171,457.17, 257,091.79 and 53,095.65

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Solution

The fourth proportional to 171,457.17, 257,091.79 and 53,095.65 is: 79,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,457.17 : 257,091.79 = 53,095.65 : x
  2. Step 2: Convert to fraction form
    171,457.17/257,091.79 = 53,095.65/x
  3. Step 3: Cross multiply
    171,457.17x = 257,091.79 × 53,095.65
  4. Step 4: Simplify right side
    171,457.17x = 13,650,454,148.78
  5. Step 5: Solve for x
    x = 13,650,454,148.78/171,457.17
  6. Step 6: Final answer
    x = 79,614.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.